PRODUCT DETAILS
Panel Mount Ignition Key Switch for Mercury Outboards
Marine-grade aftermarket ignition key switch with push-to-choke function for selected Mercury outboard engines using a magneto ignition system.
Supplied complete with 2 keys.
Fitment
Suitable for selected Mercury Outboard applications using the 87-88107A5 type panel-mounted ignition switch.
Designed for engines with:
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Magneto ignition
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Push-to-choke
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7 screw terminal connection
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Panel-mounted ignition switch
⚠️ Will NOT fit earlier Mercury ignition systems.
⚠️ Not suitable for Force outboards or other brands.
Replaces Mercury Part Number
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87-88107A5
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88107A5
Please match the original switch and terminal configuration before ordering.
Specifications
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12 Volt
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Rated 20 Amp @ 12V
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7 screw terminals
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Push-to-choke function
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Panel mount
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Fits panels up to 5/8" thick
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Magneto ignition
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OFF / ON / START operation
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Water-resistant splash boot around key slot
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New terminal screws included
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2 keys supplied
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Terminal connection diagram included
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ABS plastic construction
Important
This switch should NOT be purchased by appearance alone.
Please check:
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Original part number
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7-terminal configuration
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Magneto ignition system
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Push-to-choke function
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Panel mounting arrangement
If unsure, send us your engine model, serial number and a photo of the existing switch/wiring and we will help check compatibility.
Why Buy From SSI Marine?
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Workshop-tested aftermarket & OEM-spec parts
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Same-day dispatch before 1 PM Mon–Fri
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Royal Mail Tracked 24
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UK stock
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Collection from Leigh, Greater Manchester
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Technical support available
Buyer Responsibility
Please confirm compatibility with your engine and existing ignition switch before purchase.
SHIPPING & DELIVERY
Delivery & Returns Policy
Delivery
Standard Delivery
- £6: Royal Mail Tracked 24 Service
- £3.99: Large Letter - Royal Mail 1st Class Post (Untracked)
We offer free delivery on all orders over £150 (excludes outboard engines).
Orders placed before 1:00 PM (Monday-Friday) are usually dispatched the same working day.
Most parcels are delivered within 24 hours, but please allow extra time for courier delays that may occur outside our control.
For outboard engines, please contact us for a delivery quote.
Important: Please ensure your shipping address is correct before completing checkout. SSI Marine is not responsible for parcels sent to an incorrect address provided by the buyer.
Tracking Your Order
Once your order has been dispatched, you will receive a tracking number via email (after 5 PM on the day of dispatch).
Tracking is available only for parcels sent via Royal Mail Tracked 24.
Large Letter orders are sent via Royal Mail 1st Class Post (untracked).
Returns
We accept returns of unused and undamaged items within 30 days of purchase.
Returned items must be in sellable condition and include the original packaging.
Please do not tape, label, or write directly on the product's original box.
Important: Do not return items in their original product boxes only, they must be placed inside a protective outer box or bag. Parcels returned like the example below will be subject to a 20% restocking fee.
Return shipping costs are the customer's responsibility.
Please include your order details and reason for return inside the parcel.
Refunds
Refunds are issued for the item purchase price only (shipping costs are non-refundable).
All refunds will be made using the same payment method as your original order.
Items returned in poor condition or without proper packaging may incur a 20% restocking fee.
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